config/Shellcheck.am

   1 # Global ShellCheck exclusions:
   2 #
   3 # ShellCheck can't follow non-constant source. Use a directive to specify location. [SC1090]
   4 # Not following: a was not specified as input (see shellcheck -x). [SC1091]
   5 # Prefer putting braces around variable references even when not strictly required. [SC2250]
   6 # Consider invoking this command separately to avoid masking its return value (or use '|| true' to ignore). [SC2312]
   7 # In POSIX sh, 'local' is undefined. [SC2039] # older ShellCheck versions
   8 # In POSIX sh, 'local' is undefined. [SC3043] # newer ShellCheck versions
   9
  10 SHELLCHECKSCRIPTS =
  11
  12 JUST_SHELLCHECK_OPTS    = $(addprefix shellcheck-here-,$(subst /,^,$(1)))
  13 JUST_CHECKBASHISMS_OPTS = $(addprefix checkbashisms-here-,$(subst /,^,$(1)))
  14 SHELLCHECK_OPTS         = $(call JUST_SHELLCHECK_OPTS,$(1)) $(call JUST_CHECKBASHISMS_OPTS,$(1))
  15
  16 PHONY += shellcheck
  17
  18 _STGT = $(subst ^,/,$(subst shellcheck-here-,,$@))
  19 shellcheck-here-%:
  20 if HAVE_SHELLCHECK
  21         shellcheck --format=gcc --enable=all --exclude=SC1090,SC1091,SC2039,SC2250,SC2312,SC3043 $$([ -n "$(SHELLCHECK_SHELL)" ] && echo "--shell=$(SHELLCHECK_SHELL)") "$$([ -e "$(_STGT)" ] || echo "$(srcdir)/")$(_STGT)"
  22 else
  23         @echo "skipping shellcheck of" $(_STGT) "because shellcheck is not installed"
  24 endif
  25
  26 shellcheck: $(SHELLCHECKSCRIPTS) $(call JUST_SHELLCHECK_OPTS,$(SHELLCHECKSCRIPTS))
  27
  28
  29 PHONY += checkbashisms
  30
  31 # command -v *is* specified by POSIX and every shell in existence supports it
  32 _BTGT = $(subst ^,/,$(subst checkbashisms-here-,,$@))
  33 checkbashisms-here-%:
  34 if HAVE_CHECKBASHISMS
  35         ! { [ -n "$(SHELLCHECK_SHELL)" ] && echo '#!/bin/$(SHELLCHECK_SHELL)'; cat "$$([ -e "$(_BTGT)" ] || echo "$(srcdir)/")$(_BTGT)"; } | \
  36         checkbashisms -npx 2>&1 | grep -vFe "'command' with option other than -p" -e 'command -v' -e 'any possible bashisms' $(CHECKBASHISMS_IGNORE) >&2
  37 else
  38         @echo "skipping checkbashisms of" $(_BTGT) "because checkbashisms is not installed"
  39 endif
  40
  41 checkbashisms: $(SHELLCHECKSCRIPTS) $(call JUST_CHECKBASHISMS_OPTS,$(SHELLCHECKSCRIPTS))